<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="app">

    </div>
</body>
</html>
<script src="js/vue.min.js"></script>
<script>
    var app=new Vue({
        el:"#app",
        data:{
            msg:"hello"
        },
        methods:{

        },
        created:function(){
            console.log("创建后");
            console.log(this.$el);
            console.log(this.$data);
            console.log(this.msg);
        },
        beforeMount:function(){
            console.log("挂载前");
            console.log(this.$el);
            console.log(this.$data);
            console.log(this.msg);
        },
        mounted:function(){
            console.log("挂载后");
            console.log(this.$el);
            console.log(this.$data);
            console.log(this.msg);
        }
    });
</script>